Rema Industrial Bias Repair 40 • Due to the Fully Integrated Blue Bonding Layer, Rema Tip Top Bias-Ply Repair Units are Suitable for Use With All Current Vulcanizing Systems • For Best Results, Always Select the Corresponding Rema Tip Top Stem Insert Unit, Carbide Cutter and Special Blue Cement for a Permanent, Reliable Repair • Size: W 7" • Ply 4 • Qty / Box 2